Researchers have found a naturally occurring protein that gets rats addicted with no drugs at all. From left: BYU grad student David Allison, BYU psychology professor Scott Steffensen, and recent graduate Micah Hansen, who co-authored the research as an undergraduate. (Credit: Image courtesy of Brigham Young University)From Science Daily:
ScienceDaily (May 29, 2009) — When someone becomes dependent on drugs or alcohol, the brain's pleasure center gets hijacked, disrupting the normal functioning of its reward circuitry.
Researchers investigating this addiction "switch" have now implicated a naturally occurring protein, a dose of which allowed them to get rats hooked with no drugs at all.
The research will be published Friday in the journal Science.
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